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Microwave performance of optically injection-locked VCSELs

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3 Author(s)
L. Chrostowski ; Dept. of Electr. Eng. & Comput. Sci., Univ. of California, Berkeley, CA, USA ; Xiaoxue Zhao ; C. J. Chang-Hasnain

The optical injection-locking technique has been demonstrated to enhance the microwave performance of fiber-optic links based on vertical-cavity surface-emitting lasers (VCSELs). We report recent advances of a comprehensive study on VCSELs under ultrahigh injection-locking conditions. The performance improvements include ∼20-dB increase of both spur-free dynamic range and RF link gain, a factor of 5-10 increase in resonance frequency, as well as ∼20-dB reduction in laser noise.

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:54 ,  Issue: 2 )